population fluctuation वाक्य
उदाहरण वाक्य
मोबाइल
- Vansina, however, notes that precolonial societies had high birth and death rates, leading to a great deal of natural population fluctuation over time.
- According to a study, the population fluctuation of the Asian swallowtail butterfly has been surprisingly stable compared to that of various other insects.
- Population fluctuations from one year to the next aren't especially worrisome because they could be caused by temporary weather conditions such as drought.
- The loss of this diversity is thought to be due to the several population fluctuations of the Tasmanian devils that have occurred in the last several decades.
- Most of the research on the long-haired rat has been conducted during times of massive population fluctuations and therefore little is known about their biology in a non-eruptive period.
- Indeed, by creating a patchy system that facilitated prey dispersal over predator dispersal, Huffaker was able to achieve a predator prey system which underwent three cycles of population fluctuation.
- However, it is a particularly nomadic bird, and because population fluctuations in its prey species can force it to relocate, it has been known to breed at more southerly latitudes.
- In winter, women were asked to leave for their parents'residences in the suburbs of Edo and return only after the fire season had passed, resulting in a seasonal population fluctuation.
- Any fluctuations in food supply ( either positive, for example, due to technology improvements, or negative, due to droughts and pest invasions ) tend to translate directly into population fluctuations.
- :The lemming article says quite clearly ( in the " Population fluctuations " section ) that lemming suicide behaviour is a myth, propogated by the Disney film " White Wilderness ".
- A unique combination of nature and science education and large-scale scientific research, the Monarch Larva Monitoring Project is the only long-term, systematic nationwide study of population fluctuations in this species of insect.
- It is possible, Fricke says, that this alarming decline is the result of a natural population fluctuation or an emigration of coelacanths away from the survey area, but it seems much likelier that human predation is responsible.
- From Gordon Hewitt's 1921 book " The Conservation of the Wildlife of Canada ", Elton noticed the Canadian lynx and snowshoe hare population cycles, and developed a greater understanding of population fluctuations in Arctic vertebrates with the Hudson's Bay Company.
- There are no predators that specialize on Mormon crickets, which may be explained by the cricket's migratory habits and large population fluctuations . " Gordius robustus ", a species of horsehair worm, is a parasite of the Mormon cricket, as is " Ooencyrtus anabrivorus ".
- Although Malthus's book, " An Essay on the Principle of Population ", dealt only with the economy of human population fluctuations, which he theorized as being related to finite food resources, abundance and decadence, it gave inspiration to Charles Darwin for the theoretical basis of his seminal work, " The Origin of Species ."
- Over two thousand abandoned villages had been recorded nationally during the 14th and 15th century with varied reasons for desertion, including economic viability, change in land use, population fluctuation or as a result of widespread epidemics such as the Black Death . ( As a point of interest, this particular epidemic accounted for the death of nearly 60 % of the estimated population of the Deanery of Doncaster ).
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